Don't think so...
CORRECTION: "Most books and other non-subscription items you purchase from the Kindle store may be simultaneously accessed for your personal use on up to six Kindles (or Kindle compatible devices, such as Kindle for iPhone) registered to your Amazon.com account. If the limit is less than six kindles for a specific title, you'll see the message "Simultaneous Device usage: Up to X simultaneous devices, per publisher limits" on the detail page."

Don't think so...
CORRECTION: "Most books and other non-subscription items you purchase from the Kindle store may be simultaneously accessed for your personal use on up to six Kindles (or Kindle compatible devices, such as Kindle for iPhone) registered to your Amazon.com account. If the limit is less than six kindles for a specific title, you'll see the message "Simultaneous Device usage: Up to X simultaneous devices, per publisher limits" on the detail page."